Yamaha PW-SE Original Instructions Manual page 45

Symptom
(Down tube type)
Both side battery capacity indicator lamps
are flashing simultaneously.
(Down tube type)
The battery charger emits abnormal
noises, foul odors or smoke.
The battery charger becomes hot.
After charging, all of the battery capacity
indicator lamps do not light up when the
battery capacity indicator button "
pressed.
(Multi location type)
There is a
contact fault in
the contact
terminals.
Is the charging
connector on
the battery pack
wet?
(Multi location type)
It is normal for
the battery
charger to
become
somewhat warm
during charging.
Has the charger
plug been
unplugged or
the battery pack
removed during
charging?
Did you start
" is
charging with
the battery pack
at a high
temperature,
such as
immediately
after use?
57
Check
Remove the battery pack
from the battery charger,
mount the battery on the
bicycle and press the
power switch of display
unit. When the charging
plug is reconnected into
the battery pack, if battery
capacity indicator lamps
still flash simultaneously,
there might be a fault in the
battery charger.
Clean the charging
connector and charging
plug. Then dry them.
Afterwards, connect the
charging plug to the
charging connector.
The battery pack protection
feature has been activated
and the system cannot be
used. Replace the battery
pack at an authorized
dealer as soon as possible.
Unplug the charger plug
and immediately cease
operation.
Have an authorized dealer
inspect your bicycle.
If the battery charger is too
hot to be touched by hand,
unplug the charger plug,
wait for it to cool, and
consult an authorized
dealer.
Charge the battery pack
again.
Move to a location where
the battery temperature can
reach the range where
charging is possible (59–77
°F (15–25 °C)), and then
start charging again.
Action
45